# NTSB OAK66A0041: Piper J4, N26807, Healdsburg, CA, March 25, 1966

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 25, 1966
- Place: Healdsburg, CA · HEALDSBURG, CA
- Location: 38.6225° N, 122.8651° W: Placed by OpenAirDocs: center of Healdsburg, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6225&lon=-122.8651&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report July 20, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174124
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66A0041
- Page: https://openairdocs.org/ntsb/OAK66A0041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0122  66/3/25    HEALDSBURG CALIF    PIPER J4            CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1540                    N26807              PX-  1  0  0  BUSINESS                  AGE 45, 2306 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            52 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - HEALDSBURG MUNI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- PILOT HAD RECENTLY EXPERIENCED SEVERE CHEST PAINS.
```

## Aircraft

- Registration: [N26807](https://openairdocs.org/deregistered/N26807-1966-06-23), registration cancelled 1966-06-23, S/N 4-910, built 1940 (OpenAirDocs)
- Reported make and model: PIPER J4
- Registry model: [Piper J4A](https://openairdocs.org/model/piper-j4a) (registry code 7100604) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Healdsburg Muni

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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